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Characterization of pollution events observed at Schauinsland, Germany, using CO and its stable isotopes

  • Valérie Gros
  • , P. Jöckel
  • , C. A.M. Brenninkmeijer
  • , T. Röckmann
  • , F. Meinhardt
  • , R. Graul
  • Max Planck Institute for Chemistry
  • Federal Environmental Agency, Germany

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

CO concentration and its isotopic composition (13C, 14C, 17O and 18O) are used to characterize air pollution events observed at Schauinland, Germany, in August 2000. After determination of the background signal, we could identify and characterize five pollution events. Particularly, 14CO and δ18O variations help to determine the nature of the pollution source (fossil fuel or biomass combustion) and its origin (local or regional/continental). By using a box model, further information about the age of the polluted air mass is derived. We particularly establish that one polluted air mass was about 10 days old and that this event was due to long-range transport of products emitted from forest fires in Canada.

Original languageEnglish
Pages (from-to)2831-2840
Number of pages10
JournalAtmospheric Environment
Volume36
Issue number17
DOIs
Publication statusPublished - 1 Jan 2002

Funding

We would like to thank Maya Bräunlich for her participation in the intensive campaign, W. Hanewacker for his careful analysis of the samples and S. Assonov for help in the 17 O measurement. We acknowledge P. Bergamaschi for providing results from his model study, C.M. Spivakovsky for providing her OH fields and A. Volz-Thomas for continued interest. Two anonymous reviewers are kindly acknowledged for their constructive remarks. We are grateful to the European Community for support via the project CO-OH-Europe (ENV4-CT96-0318) and the Marie Curie Fellowship of V. Gros (EVK2-CT-1999-50003).

Keywords

  • Biomass burning
  • Box model
  • Carbon monoxide
  • Fossil fuel combustion
  • Isotopic composition

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